390、To find the middle point, divide the measured clearance by two.

885 、 Existing analyses were reviewed to identify components and areas that may have exhibited lower
margins of safety.

884、Examine the seal for defects

883、Electronic devices that are used in nearly all aircraft systems are/the computer for system control and
monitoring and the control inputs and indications in the cockpit and sensors throughout the whole aircraft,
在几乎所有飞机系统中使用的电子设备是/用于系统控制和监视的计算机,以及驾驶舱中的控制输入和指示,以及整个飞机的传感器,

882、Each manual shall carry a list of Chapters or Sections contained in it.

881 Each item of Airplane Performance shall include a statement of significant conditions associated with the
data

880、 Each handbook shall have a log of revisions or effective pages. 每本手册应有修订记录或有效页。

879、 Each electrical system has a code to identify it. 每个电气系统都有一个代码来识别它。

878、Do these tasks in sequence to safely open the left and right thrust reversers on the applicable engine.

877、Do not loosen the nut to align it.

876、Do not go into the engine test area without approval. 未经批准,不得进入发动机试验区。